package com.dyc.course.sys.controller;

import com.dyc.course.common.utils.Constant;
import com.dyc.course.common.utils.R;
import com.dyc.course.sys.entity.SysDeptEntity;
import com.dyc.course.sys.repository.SysDeptRepository;

import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;
import java.util.Optional;

/**
 * 部门管理
 *
 */
@RestController
@RequestMapping("/sys/dept")
public class SysDeptController extends AbstractController {
	
	@Autowired
	private SysDeptRepository repository;
	
	/**
	 * 列表
	 */
	@RequestMapping("/list")
	@RequiresPermissions("sys:dept:list")
	public List<SysDeptEntity> list() {
		List<SysDeptEntity> deptList = repository.findAll();
		for (SysDeptEntity entity : deptList) {
			Optional<SysDeptEntity> optional = repository.findById(entity.getParentId());
			if (optional.isPresent()) {
				entity.setParentName(optional.get().getName());
			}
		}
		return deptList;
	}

	/**
	 * 选择部门(添加、修改菜单)
	 */
	@RequestMapping("/select")
	@RequiresPermissions("sys:dept:select")
	public R select() {
		List<SysDeptEntity> deptList = repository.findAll();

		//添加一级部门
		if (getUserId() == Constant.SUPER_ADMIN) {
			SysDeptEntity root = new SysDeptEntity();
			root.setDeptId(0L);
			root.setName("一级部门");
			root.setParentId(-1L);
			root.setOpen(true);
			deptList.add(root);
		}

		return R.ok().put("deptList", deptList);
	}

	/**
	 * 上级部门Id(管理员则为0)
	 */
	@RequestMapping("/info")
	@RequiresPermissions("sys:dept:list")
	public R info() {
		long deptId = 0;
		if (getUserId() != Constant.SUPER_ADMIN) {
			List<SysDeptEntity> deptList = repository.findAll();
			Long parentId = null;
			for (SysDeptEntity sysDeptEntity : deptList) {
				if (parentId == null) {
					parentId = sysDeptEntity.getParentId();
					continue;
				}

				if (parentId > sysDeptEntity.getParentId().longValue()) {
					parentId = sysDeptEntity.getParentId();
				}
			}
			deptId = parentId;
		}

		return R.ok().put("deptId", deptId);
	}
	
	/**
	 * 信息
	 */
	@RequestMapping("/info/{deptId}")
	@RequiresPermissions("sys:dept:info")
	public R info(@PathVariable("deptId") Long deptId) {
		Optional<SysDeptEntity> optional = repository.findById(deptId);
		SysDeptEntity dept = null;
		if (optional.isPresent()) {
			dept = optional.get();
		}
		return R.ok().put("dept", dept);
	}
	
	/**
	 * 保存
	 */
	@RequestMapping("/save")
	@RequiresPermissions("sys:dept:save")
	public R save(@RequestBody SysDeptEntity dept){
		repository.save(dept);
		
		return R.ok();
	}
	
	/**
	 * 修改
	 */
	@RequestMapping("/update")
	@RequiresPermissions("sys:dept:update")
	public R update(@RequestBody SysDeptEntity dept){
		repository.save(dept);
		
		return R.ok();
	}
	
	/**
	 * 删除
	 */
	@RequestMapping("/delete")
	@RequiresPermissions("sys:dept:delete")
	public R delete(long deptId){
		//判断是否有子部门
		List<SysDeptEntity> list = repository.findByParentId(deptId);
		if (list != null && !list.isEmpty()) {
			return R.error("请先删除子部门");
		}

		repository.deleteById(deptId);
		
		return R.ok();
	}
	
}
